The series GN 743.6 metric-sized ATEX explosive protective fluid level sight glasses has been introduced by J.W. Winco. These RoHS-compliant sight glasses have a body of turned aluminum, bright finish, an ESG scratch-proof sight glass, a stainless steel retaining ring and a Viton seal. Suitable for use in explosion-risk environments, the device is sealed with an o-ring on the periphery, rather than on the face edge of the glass. The seal is housed in a groove, which prevents it from being extruded when the sight glass is tightened. Cold/heat resistance range is minus 20C to plus 150C (minus 4F to plus 300F).
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